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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 602 (HVAC Systems - Automatic) >> Repair Instructions >> HVAC Control Module Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2003 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the HVAC control module into the trim plate.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the HVAC control module screws (1).

    Tighten 

    Tighten the screws to 2 N.m (18 lb in).

    Fig 1: HVAC Control Module Screws
    G02085355Courtesy of GENERAL MOTORS CORP.
  3. Connect the HVAC control module electrical connector.
  4. Connect the ash tray electrical connector.
    Fig 2: HVAC Control Module Electrical Connector
    G02085356Courtesy of GENERAL MOTORS CORP.
  5. Install the HVAC control module trim plate by pressing trim until tabs engage.
  6. Install the screw behind the ashtray.

    Tighten 

    Tighten the screw to 2 N.m (18 lb in).

    Fig 3: HVAC Control Module Trim Plate
    G02085357Courtesy of GENERAL MOTORS CORP.
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